Year	current US$
1980	519999.980926514
1981	1200000.04768372
1982	779999.971389771
1983	5840000.15258789
1984	11859999.6566772
1985	3589999.91416931
1986	4449999.80926514
1987	8289999.961853029
1988	10109999.6566772
1989	6280000.20980835
1990	5820000.17166138
1991	10600000.3814697
1992	15659999.8474121
1993	11369999.8855591
1994	22549999.237060502
1995	10489999.7711182
1996	9100000.38146973
1997	15029999.7329712
1998	11909999.8474121
1999	14069999.6948242
2000	9899999.61853027
2001	9649999.61853027
2002	12189999.5803833
2003	11939999.5803833
2004	14750000
2005	13810000.4196167
2006	14369999.8855591
2007	16969999.3133545
2008	24520000.4577637
2009	21670000.0762939
2010	22549999.237060502
2011	23489999.7711182
2012	24319999.6948242
2013	21159999.8474121
2014	19920000.0762939
2015	11439999.5803833
2016	10369999.8855591
2017	10079999.923706101
2018	11579999.923706101
2019	11260000.2288818
2020	9069999.69482422
2021	8880000.11444092
2022	10109999.6566772